gnu: linux-libre: Update to 3.15.8.

* gnu/packages/linux.scm (linux-libre): Update to version 3.15.8.

gnu: gccgo: Suppress the separate "lib" output.

Fixes <http://debbugs.gnu.org/18101>.

* gnu/packages/gcc.scm (custom-gcc): Add 'separate-lib-output?'
  keyword argument.
  (gccgo-4.8): Pass #:separate-lib-output? #f to 'custom-gcc'.

gnu: linux-libre: Update to 3.15.7.

* gnu/packages/linux.scm (linux-libre): Update to version 3.15.7.

gnu: gnumeric: Adapt to glib "bin" split.

* gnu/packages/gnome.scm (gnumeric): Add glib:bin to 'native-inputs'.

profiles: Add 'package->manifest-entry'.

Suggested by Alex Kost <alezost@gmail.com>.

* guix/scripts/package.scm (options->installable)[package->manifest-entry]:
  Move to (guix profiles).
  [package->manifest-entry*]: New procedure.
  Use it.
* guix/profiles.scm (package->manifest-entry): New procedure.
* tests/profiles.scm (guile-for-build): New variable.
  Call '%guile-for-build'.
  ("profile-derivation"): New test.

profiles: Get rid of the 'inputs' field of 'manifest-entry'.

* guix/profiles.scm (<manifest-entry>)[inputs]: Remove.
  (profile-derivation): Rely on 'item' and 'deps' instead of 'inputs'.
  Adjust 'builder' accordingly.
* guix/scripts/package.scm (options->installable)[package->manifest-entry]:
  Remove 'inputs' field.  Change 'dependencies' field to contain
  packages.

profiles: Switch to gexps.

* guix/profiles.scm (<manifest-entry>)[path]: Rename to...
  [item]: ... this.  Update users.
  (manifest->sexp): Rename to...
  (manifest->gexp): ... this.  Return a gexp.
  (lower-input): Remove.
  (profile-derivation): Remove 'store' parameter, and turn into a
  monadic procedure.
  [inputs]: New variable.
  [builder]: Turn into a gexp.
  Replace call to 'build-expression->derivation' with call to
  'gexp->derivation'.
* guix/scripts/package.scm (link-to-empty-profile): Adjust call to
  'profile-derivation', and wrap it in 'run-with-store'.
  (show-what-to-remove/install): Rename 'path' to 'item'.  Check whether
  ITEM is a package, and return its output path if it is.
  (input->name+path): Remove.
  (options->installable): Set 'item' to P.
  (guix-package): Adjust call to 'profile-derivation'.
* tests/profiles.scm (guile-2.0.9): Change 'path' to 'item'.

profiles: Do away with 'manifest=?'.

* guix/profiles.scm (manifest=?): Remove.
* guix/scripts/package.scm (readlink*): New procedure.
  (guix-package)[process-actions]: Use 'readlink*' and compare the
  profile to be built, PROF, with PROFILE to determine whether there's
  nothing to be done.

gnu: goffice: Adapt to glib "bin" split.

* gnu/packages/gnome.scm (goffice): Add glib:bin to 'native-inputs'.

gnu: sudo: Apply workaround to build system for MIPS.

* gnu/packages/admin.scm (sudo): Work around the fact that configure fails on
  MIPS without 'file'.

profiles: Remove dead code.

* guix/profiles.scm (write-manifest): Remove.
  (read-manifest): Keep private.

doc: Replace incorrect uses of @ref by @pxref.

* doc/guix.texi: Use @pxref at the end of sentences, not @ref.

gnu: libpeas: Adjust to glib "bin" split.

* gnu/packages/gnome.scm (libpeas): Add glib:bin to 'native-inputs'.

tests: Make sure --search="" works.

* tests/guix-package.sh: Move '-s' tests outside of the network-only
  section.  Make sure --search="" works.

gnu: Add dmidecode.

* gnu/packages/admin.scm (dmidecode): New variable.

guix: package: Fix recutils output for non-package inputs.

* guix/ui.scm (package->recutils)[dependencies]: Ignore non-package inputs.
* tests/guix-package.sh: New test.

gnu: guix: Update to 0.7.

* gnu/packages/package-management.scm (guix-0.6): Rename to...
  (guix-0.7): ... this.  Upgrade to 0.7.
  (guix): Alias for GUIX-0.7.
  (guix-devel): Change 'guix-0.6' to 'guix-0.7'.

build: Bump to version 0.8.

* configure.ac: Switch to 0.8.

doc: Fix typo in USB image file name.

* doc/guix.texi (System Installation): Change image file name.

gnu: texlive: Disable tests on mips64el.

* gnu/packages/texlive.scm (texlive): Disable tests on mips64el.